YunSCM 2 PCS 16" Bike Tubes 16x1.75/2.125 Schrader Valve 47/57-305 Bicycle Tubes Compatible with 16 x 1.75 16x1.90 16 x 1.95 16x2.0 16 x 2.10 16 x 2.125 Bike Tire Tubes

Product Specifications: compatible with Road bike /Mountain bike Tire16 x 1.75 16 x 1.90 16 x 1.95 16 x 2.0 16 x 2.10 16 X 2.125( ETRTO :47-305 50-305 53-305 54-305 56-305 57-305) bicycle tire tubes

High Quality: The bike tube is made from premium butyl rubber.It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation

Easy Installation: Installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Save time and effort, replace the old tube in a few minutes

Important Note: When changing a bicycle inner tube, be sure to add a little air before installing it. This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat. Inspect for an even bead of the tire to the rim on both sides

Comfortable and Safe: After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and safe

Tip: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects.